F2Pool returns 2079 ETH in abnormal ETH transaction fee which is around $4,80,000 to its sender after encountering the issue on June 11 and on the other side Etherchain and Sparkpool distributed millions of dollars of gas fees, which they received as transaction fees
F2Pool is one of the largest crypto mining pools that have recently mined an Ether (ETH) transaction with an unusual transaction fee of 2,310 ETH, announced in its most recent update that it has returned 90% of the fee to its sender, which is 2079 ETH.
To receive the 90% of the agreed transaction fee, The original address holder was required to sign the new address 0x3ecef08d0e2dad803847e052249bb4f8bff2d5bb using the private key of the original address 0xda466bf1ce3c69dbef918817305cf989a6353423, and verify that the signature is valid and verified, as shown in the following image. This is because the original address is now controlled by a hacker.
F2Pool also stated:
Out of our humanitarian spirit, F2Pool has decided to return the transaction fee component of the transaction. It's Not possible to return the fee back to the original sender address as the address is also now controlled by the hacker. Therefore, we agreed to send the fee to a new address provided by the original address owner after full verification of the address and owner.
The transaction was a part of a series of other unusual ETH transactions which also includes two other mining pools — Etherchain and Sparkpool. Contrary to recent F2Pool decisions, Etherchain and Sparkpool distributed millions of dollars of gas fees, which they received as transaction fees from hacked wallet. Both pools stated that they gave sufficient time to the sender to contact them. Sparkpool's transaction took place on 10 June, while EtherChain's on 11 June.